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find test/Transforms -name "*.ll" | \
while read NAME; do
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TEMP=`mktemp -t temp`
cp $NAME $TEMP
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
692 B
LLVM
21 lines
692 B
LLVM
; Test that the strncmp library call simplifier works correctly.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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@hello = constant [6 x i8] c"hello\00"
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@hell = constant [5 x i8] c"hell\00"
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declare i16 @strncmp(i8*, i8*, i32)
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define i16 @test_nosimplify() {
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; CHECK-LABEL: @test_nosimplify(
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; CHECK: call i16 @strncmp
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; CHECK: ret i16 %temp1
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%str1 = getelementptr inbounds [5 x i8]* @hell, i32 0, i32 0
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%str2 = getelementptr inbounds [6 x i8]* @hello, i32 0, i32 0
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%temp1 = call i16 @strncmp(i8* %str1, i8* %str2, i32 10)
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ret i16 %temp1
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}
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